Sink into Definition 1 of 4Pro Tip 1/2Physical Absorption Think of 'sink into' as objects being physically pulled or absorbed by another, like liquids or solids. The sponge cake sank into the sweet syrup. Pro Tip 2/2Gradual Process Emphasize the slow, gradual nature of 'sink into' when describing a process that takes time. The colorful dye slowly sank into the fabric.